11152232331 has 8 divisors (see below), whose sum is σ = 14986727424. Its totient is φ = 7376279400.

The previous prime is 11152232297. The next prime is 11152232461. The reversal of 11152232331 is 13323225111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11152232331 - 2⁹ = 11152231819 is a prime.

It is a super-2 number, since 2×11152232331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11152232731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14635095 + ... + 14635856.

It is an arithmetic number, because the mean of its divisors is an integer number (1873340928).

Almost surely, 2^11152232331 is an apocalyptic number.

11152232331 is a deficient number, since it is larger than the sum of its proper divisors (3834495093).

11152232331 is a wasteful number, since it uses less digits than its factorization.

11152232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29271081.

The product of its digits is 1080, while the sum is 24.

Adding to 11152232331 its reverse (13323225111), we get a palindrome (24475457442).

The spelling of 11152232331 in words is "eleven billion, one hundred fifty-two million, two hundred thirty-two thousand, three hundred thirty-one".